function fun(req,res) {
   console.log("fun called");
   
   //res.writeHead(200, {"Content-Type": "text/plain"});
        //res.write("this fun res");
        //res.end();
   
    var str = [21,35,56,68,34,235];
   //console.log(typeof(str));
   
	res.writeHead(200, {"Content-Type": "application/json;charset=utf-8"});
	//res.write("query called");
	//var str = {"name":"xuzheng"};
	res.write(JSON.stringify(str));
	res.end(); 
   
}
 
exports.fun = fun;
